&: Does not exist or only partially exists in the database

What causes this issue?

The order does not exist in the database or several objects are
missing.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Refer to the <DS:REPN./SAPAPO/OM_UPGR_COMPARE_DETAIL>Technical Detail
Log</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.